I posted a few weeks ago about my new Dagger experiencing failure to eject and some other cycling issues. I figured out the issue today. The recoil assembly is slipping up out of its place on the barrel lug. I will seat it in place, and put the slide back on, but after a few rounds it stops cycling. Each time I then take the slide off and look, and sure enough, it’s done it again. The rear of the recoil assembly works its way out of the rounded pocket and up onto the barrel lug.
Has anyone else ever experienced this problem or know what to do about it?
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Thats the first time I’ve seen anyone mention that. I’m curious what others will say.
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I’ve never seen or heard of that happening. Photos please of your barrel and recoil spring.
To clarify, the half moon slot, is only to position the guide rod. It does not sit there once it is assembled with the frame
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So it’s supposed to slip out of that half moon slot, up onto the flat notch of the barrel lug? If that’s the case then I’m back at square one, figuring out why I’m having all these failure to cycle issues. This is incredibly frustrating. Starting to regret this purchase.
Here are the pics of the recoil assembly, both seated in the half moon notch, and unseated, up on the lug.
Here’s the pic of the barrel lug and the notches. I assemble it with the recoil spring down in the half moon notch. After a few shots, it fails to eject/feed and I disassemble it. When I do, I find the recoil assembly has moved out of the half-moon notch and up resting on that first line (the one that runs between the two ends of the half-moon).
Okay that’s completely normal. It shouldn’t remain, in the half moon. I made a video but my dumb self recorded it in 4k 
I think you have a different issue at hand here
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OK, thanks, I guess? So any other thoughts on why this thing would be failing to eject/cycle properly? Before my first range visit I cleaned and oiled it. Failure to eject every 3rd round. Thought it might be ammo (Fiocchi). So I took it home, re-cleaned it, spent the week working the oil into the slide and working the slide back and forth a ridiculous amount of times.
Took it to the range today and used Winchester ammo and had the same issue. I was getting through about 6-7 rounds this time between failures. Most of the failures the spent casing wasn’t ejecting and was getting caught between the barrel and the slide. The other few of the failures the spent casing ejected, but the next round wouldn’t get all the way into the chamber and the slide would get hung up on it.
You have three things possible here. there is more possibilities, like dirty or not oiled; but this is a new gun, and you mentioned you’ve jerked the slide enough with lube to be embarrassed
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Poor grip on the firearm. You’ll have to determine that if you’re holding the firearm correctly
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Poor ammo. You’ve tried two types from what you said.
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Poor/damaged extractor. It’s possible you have a bad extractor, which would be covered by PSA under the RMA of it was a factory defect.
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Thanks for the input. Definitely not a grip problem (I didn’t buy this as a noob, but because I wanted something I could eventually do some experimenting on with upgrades, etc. before performing those types of upgrades on some of my more regularly used firearms).
I might get to the range another time or two with some different ammo before doing a warranty claim.
One other thing I’ve noticed, on all my other pistols (mostly Glocks and Caniks) the feed ramp is completely smooth. On this dagger there is a little flat ridge between the feed ramp and the chamber itself. Is that normal for these guns? Could that be part of the issue? I’m wondering if the new rounds being fed might be getting hung up on that… Of course that does nothing about the ejection issue.
Yep, I guess that is ok. Perhaps I’m grasping at straws to figure this issue out.
I’d definitely try to keep sending rounds through it, but if there is an issue after a couple more trips to the range; PSA will make it right
Wish I could be more help, sorry 
How about this, you say you have other Glocks, a 19? If so swap slides and see if the issue follows. If not then it’s in the frame. How about the magazines, are they causing this? Just throwing it out there.
Magazine could be possible, I guess swapping components isn’t a bad thing, as long as it’s a gen 3.
My gen 3 frame will work with my Dagger slide and vise versa. Actually my glock slide is a gen 2 and works fine.
Yeah, majority of gen 3 parts work on dagger, they’re some exceptions to this - but for the most part they interchange. I’ve never seen a gen 1 or gen 2 Glock, but that’s cool to know.
This is normal for the recoil rod to not be in the same place you put it. it floats. Just make sure it’s seated correctly when you are putting the slide on. Not the cause of your ejection issues.
I’m having the same problem right now, looks like the same upper you have. The spring is slipping off the barrel. I tried using a lone wolf lower and the spring comes completely off. I’m contacting PSA after this post. Very disappointing.
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As mentioned in several responding comments, the guide rod will not remain in the assembly position. After assembling the slide on the frame a racking it, the guide rod will drop down to the next slot on the barrel lug. This is completely normal.
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